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M38203 Datasheet(PDF) 9 Page - Mitsubishi Electric Semiconductor |
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M38203 Datasheet(HTML) 9 Page - Mitsubishi Electric Semiconductor |
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9 / 344 page  Table of contents 3820 GROUP USER’S MANUAL iv 2.10 Reset .................................................................................................................................. 2-185 2.10.1 Explanation of operations .......................................................................................... 2-185 2.10.2 Internal state of the microcomputer immediately after reset release ......................... 2-187 2.10.3 Reset circuit ............................................................................................................... 2-188 2.10.4 Notes on the RESET pin ........................................................................................... 2-189 2.11 Oscillation circuit ............................................................................................................. 2-190 2.11.1 Oscillation circuit........................................................................................................ 2-190 2.11.2 Internal clock φ ..........................................................................................................2-192 2.11.3 Oscillating operation .................................................................................................. 2-194 2.11.4 Oscillation stabilizing time ......................................................................................... 2-197 CHAPTER 3. APPENDIX 3.1 Built-in PROM version .......................................................................................................... 3-2 3.1.1 Product expansion ........................................................................................................... 3-3 3.1.2 Performance overview ..................................................................................................... 3-4 3.1.3 Pin configuration .............................................................................................................. 3-5 3.1.4 Functional block diagram ................................................................................................ 3-8 3.1.5 Notes on use ................................................................................................................... 3-9 3.2 Countermeasures against noise ....................................................................................... 3-11 3.2.1 Shortest wiring length .................................................................................................... 3-11 3.2.2 Connection of a bypass capacitor across the VSS line and the VCC line ....................... 3-12 3.2.3 Oscillator concerns ........................................................................................................ 3-13 3.2.4 Installing an oscillator away from signal lines where potential levels change frequently............................ 3-14 3.2.6 Set up for I/O ports ........................................................................................................ 3-14 3.2.5 Oscillator protection using VSS pattern .......................................................................... 3-14 3.2.7 Providing of watchdog timer function by software ......................................................... 3-15 3.3 Control registers .................................................................................................................. 3-16 3.4 List of instruction codes ................................................................................................... 3-29 3.5 Machine instructions ........................................................................................................... 3-30 3.6 Mask ROM ordering method ............................................................................................. 3-40 3.7 Mark specification form ..................................................................................................... 3-52 3.8 Package outlines ................................................................................................................. 3-54 3.9 SFR allocation ...................................................................................................................... 3-56 3.10 Pin configuration ............................................................................................................... 3-57 |
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